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Seeking help with a takeover specification issue

2011-11-25View Original

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In the drawings of one of our old devices, there is a pipe fitting, and the specified pipe size is SCH7t. What does the 7t here represent? Thank you all; if anyone knows, please let me know!
Reply #22011-11-25
I really don’t know that; I’ll hold it up for you.
Reply #32011-11-25
Haven’t heard of this; I’ll hold it up for you.
Reply #42011-11-26
Haven’t heard of this; I’ll hold it up for you.
Reply #52011-11-26
It might be various steel products according to JIS standards (heat-resistant steel castings――SCH+numeric code); for details, see: http://bbs.qdwm.com/qdwm/forum.php?mod=viewthread&tid=19604

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